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/*
SPDX-FileCopyrightText: 2014 Kevin Funk <kfunk@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "cmakeimportjsonjob.h"
#include "cmakeutils.h"
#include "cmakeprojectdata.h"
#include "cmakemodelitems.h"
#include "debug.h"
#include <makefileresolver/makefileresolver.h>
#include <language/duchain/duchain.h>
#include <language/duchain/duchainlock.h>
#include <interfaces/iproject.h>
#include <interfaces/icore.h>
#include <interfaces/iruntime.h>
#include <interfaces/iruntimecontroller.h>
#include <KShell>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QtConcurrentRun>
#include <QFutureWatcher>
#include <QRegularExpression>
using namespace KDevelop;
namespace {
CMakeFilesCompilationData importCommands(const Path& commandsFile)
{
// NOTE: to get compile_commands.json, you need -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
QFile f(commandsFile.toLocalFile());
bool r = f.open(QFile::ReadOnly|QFile::Text);
if(!r) {
qCWarning(CMAKE) << "Couldn't open commands file" << commandsFile;
return {};
}
qCDebug(CMAKE) << "Found commands file" << commandsFile;
CMakeFilesCompilationData data;
QJsonParseError error;
const QJsonDocument document = QJsonDocument::fromJson(f.readAll(), &error);
if (error.error) {
qCWarning(CMAKE) << "Failed to parse JSON in commands file:" << error.errorString() << commandsFile;
data.isValid = false;
return data;
} else if (!document.isArray()) {
qCWarning(CMAKE) << "JSON document in commands file is not an array: " << commandsFile;
data.isValid = false;
return data;
}
MakeFileResolver resolver;
const QString KEY_COMMAND = QStringLiteral("command");
const QString KEY_DIRECTORY = QStringLiteral("directory");
const QString KEY_FILE = QStringLiteral("file");
auto rt = ICore::self()->runtimeController()->currentRuntime();
const auto values = document.array();
for (const QJsonValue& value : values) {
if (!value.isObject()) {
qCWarning(CMAKE) << "JSON command file entry is not an object:" << value;
continue;
}
const QJsonObject entry = value.toObject();
if (!entry.contains(KEY_FILE) || !entry.contains(KEY_COMMAND) || !entry.contains(KEY_DIRECTORY)) {
qCWarning(CMAKE) << "JSON command file entry does not contain required keys:" << entry;
continue;
}
PathResolutionResult result = resolver.processOutput(entry[KEY_COMMAND].toString(), entry[KEY_DIRECTORY].toString());
auto convert = [rt](const Path &path) { return rt->pathInHost(path); };
CMakeFile ret;
ret.includes = kTransform<Path::List>(result.paths, convert);
ret.frameworkDirectories = kTransform<Path::List>(result.frameworkDirectories, convert);
ret.defines = result.defines;
const Path path(rt->pathInHost(Path(entry[KEY_FILE].toString())));
qCDebug(CMAKE) << "entering..." << path << entry[KEY_FILE];
data.files[path] = ret;
}
data.isValid = true;
data.rebuildFileForFolderMapping();
return data;
}
ImportData import(const Path& commandsFile, const Path &targetsFilePath, const QString &sourceDir, const KDevelop::Path &buildPath)
{
QHash<KDevelop::Path, QVector<CMakeTarget>> cmakeTargets;
//we don't have target type information in json, so we just announce all of them as exes
const auto targets = CMake::enumerateTargets(targetsFilePath, sourceDir, buildPath);
for(auto it = targets.constBegin(), itEnd = targets.constEnd(); it!=itEnd; ++it) {
cmakeTargets[it.key()] = kTransform<QVector<CMakeTarget>>(*it, [](const QString &targetName) {
return CMakeTarget{
CMakeTarget::Executable,
targetName,
KDevelop::Path::List(),
KDevelop::Path::List(),
QString()
};
});
}
return ImportData {
importCommands(commandsFile),
cmakeTargets,
CMake::importTestSuites(buildPath)
};
}
}
CMakeImportJsonJob::CMakeImportJsonJob(IProject* project, QObject* parent)
: KJob(parent)
, m_project(project)
, m_data({})
{
connect(&m_futureWatcher, &QFutureWatcher<ImportData>::finished, this, &CMakeImportJsonJob::importCompileCommandsJsonFinished);
}
CMakeImportJsonJob::~CMakeImportJsonJob()
{}
void CMakeImportJsonJob::start()
{
auto commandsFile = CMake::commandsFile(project());
if (!QFileInfo::exists(commandsFile.toLocalFile())) {
qCWarning(CMAKE) << "Could not import CMake project" << project()->path() << "('compile_commands.json' missing)";
emitResult();
return;
}
const Path currentBuildDir = CMake::currentBuildDir(m_project);
Q_ASSERT (!currentBuildDir.isEmpty());
const Path targetsFilePath = CMake::targetDirectoriesFile(m_project);
const QString sourceDir = m_project->path().toLocalFile();
auto rt = ICore::self()->runtimeController()->currentRuntime();
auto future = QtConcurrent::run(import, commandsFile, targetsFilePath, sourceDir, rt->pathInRuntime(currentBuildDir));
m_futureWatcher.setFuture(future);
}
void CMakeImportJsonJob::importCompileCommandsJsonFinished()
{
Q_ASSERT(m_project->thread() == QThread::currentThread());
Q_ASSERT(m_futureWatcher.isFinished());
auto future = m_futureWatcher.future();
auto data = future.result();
if (!data.compilationData.isValid) {
qCWarning(CMAKE) << "Could not import CMake project ('compile_commands.json' invalid)";
emitResult();
return;
}
m_data = {data.compilationData, data.targets, data.testSuites, {}};
qCDebug(CMAKE) << "Done importing, found" << data.compilationData.files.count() << "entries for" << project()->path();
emitResult();
}
IProject* CMakeImportJsonJob::project() const
{
return m_project;
}
CMakeProjectData CMakeImportJsonJob::projectData() const
{
Q_ASSERT(!m_futureWatcher.isRunning());
return m_data;
}
#include "moc_cmakeimportjsonjob.cpp"
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